rfftinv {wavethresh}

Inverse real FFT, inverse of rfft

Description

Inverse function of rfft

Usage

rfftinv(rz, n = length(rz))

Arguments

rz

The Fourier coefficients to invert

n

The number of coefficients

Details

Just the inverse function of rfft.

Value

The inverse FT of the input

Author(s)

Bernard Silverman

See Also

rfft